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Melatonin and Tiredness: What Users Say

Brand names: Melatonin Time Release, Sleep3, SGard, Bio-Melatonin

Tiredness: mentioned by 12 users (5.0%)

Based on user experiences from 239 Melatonin reviews, the following table shows the most commonly mentioned side effects.

All user comments are moderated by Drugs.com. Each review is verified for relevance and screened for inappropriate content. Side effects are user-reported and not clinically verified.

anxiety 10.9%
drowsiness 10.0%
depression 9.2%
headaches 8.8%
nightmares 6.7%
vivid dreams 6.7%
dizziness 5.4%
tiredness 5.0%
nausea 3.8%
insomnia 2.9%

Reviews for Melatonin

Commonly mentioned side effects
  • Rob...
  • July 3, 2021

For Insomnia "I have used melatonin for insomnia. It helps me fall asleep faster, but frequent urination from 5 am wakes me up, which is not normal. Then in the morning, feeling anxious and depressed for no specific reason, dizzy and tearful all day, fatigue and tiredness all day, unable to take my simple daily walk on a beach. Questioning my life and very dark mood. Nausea and no appetite all day, sleepy all day, headache. I took only 2.5 mg for 4 days and then stopped. Feeling fine after 2 days. During these two days, I felt very dizzy, nauseated, and tired. To be sure, I tested it once again a month later, took only 1.25 mg for 3 days, and each day was worse than the day before. It doesn't matter on the dosage, both times, I feel bad with all side effects mentioned above. I found out a much better alternative is Magnesium Glycinate supplement, which does not have any side effects on me. Simply took 100-200 mg magnesium pills and fell asleep within an hour, slept well till morning with no side effects the next day."

1 / 10
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138 Report
  • Rac...
  • Taken for 10 years or more
  • August 23, 2015

For Insomnia "Being 24 years old, I have horrible sleep habits. There are days I have to wake up early for school or work, and other days I sleep in, so the time that I go to sleep every night varies. Also, when I have something happening in the morning (work, school, etc.), my mind is constantly racing while I am trying to sleep. Now, before I go to sleep every night, I take melatonin (the Natrol brand), and it definitely relaxes me so I can comfortably fall asleep. Other sleeping pills I have previously used would make me wake up feeling groggy, still very tired, and with a migraine. Unlike other sleeping pills, I wake up feeling refreshed after taking melatonin. I would highly recommend."

9 / 10
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40 Report
  • hei...
  • Taken for 2 to 5 years
  • October 8, 2016

For Insomnia "CAUTION with the dosage of this thing. I've seen from 0.3 mg to 10 mg being sold. Got a really bad headache the next day when taking 1 mg before sleep. Also tried the 0.3 mg and got sleepy the next day, yawning all day long. It really 'causes' sleep, you'll feel sleepy, but not relaxed at all. It's not like a benzodiazepine (alprazolam/clonazepam/etc). If you already feel your eyes dry/red and yawning, you don't need this! And try the lowest dose you can find. I'm still trying to find something lower than 0.3 mg because even that dosage seems too much for me. Have been fighting with my 'internal clock' since I was a kid. It seems my brain always wants to sleep later and later, and that feeling that I won't sleep causes me anxiety too."

3 / 10
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32 Report

Frequently asked questions

  • Jen...
  • September 23, 2019

For Insomnia "Circadian 2 mg. I took for 3 nights, crazy nightmares, woke exhausted, irritable, and anxious. Have also taken herbal melatonin, also useless, no nightmares, but no sleep either. Might be effective for some people, but not for me."

1 / 10
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25 Report
  • afa...
  • February 10, 2015

For Insomnia "My psychiatrist recommended that I try 5 mg of melatonin instead of other OTC sleep aids. I have an anxiety disorder and have trouble not worrying about intruders at night. I took this 30 minutes before bedtime, and I felt extremely tired within an hour. That was nice. I woke up an hour later from I'm not sure what. Easy to go back to sleep. Then a total of 3 hours later, I woke up gasping for air. From a nightmare I presume, although I couldn't remember the nightmare. I then woke up around 5 AM from my neighbors in my apartment building. I felt alert but made it back to sleep. I then was not able to wake up the rest of the morning. I couldn't get up to go to work, and I still feel tired at noon the next day. Wondering how to move forward."

6 / 10
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24 Report

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  • PBe...
  • January 17, 2015

For Insomnia "I'm a 51-year-old woman who has had problems sleeping (falling asleep and staying asleep) for about 5 years. I've been taking 5 mg of melatonin at night for about a month. My sleep is no better. What I did notice is that I'm more tired during the day now."

1 / 10
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33 Report
  • mar...
  • Taken for less than 1 month
  • May 20, 2022

For Insomnia "Took 3 mg of melatonin the past 2 nights. Slept well the first night. The second night, not well, and the next day, I felt like I was coming down with something. Bad headache and lethargy. Also had some depressive mood changes. I am done with melatonin."

2 / 10
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2 Report

More FAQ

  • dor...
  • August 12, 2015

For Insomnia "I took a low dose of melatonin, 0.5 mg, 1 hr BS. It made me tired, and I could fall asleep faster and deeper. During the day, I felt better than usual."

10 / 10
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33 Report
  • Mar...
  • May 16, 2016

For Insomnia "This drug helped me to get a very good night's sleep, but I was very weak, tired, and lethargic the next day, until about dinnertime."

9 / 10
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27 Report
  • Mar...
  • May 16, 2016

For Insomnia "This drug helped me to get a very good night's sleep, but I was very weak, tired, and lethargic the next day, until about dinnertime."

9 / 10
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27 Report
  • Jar...
  • Taken for 1 to 6 months
  • November 5, 2015

For Insomnia "I have insomnia caused by ankylosing spondylitis, and this medication actually works. It wakes me more tired than in pain, and I fall right asleep."

8 / 10
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17 Report
  • Sle...
  • November 11, 2015

For Insomnia "Just took my melatonin. Currently can't stop yawning while scrolling through reading about all the awesome sleeps you guys had. Still can't sleep, though."

6 / 10
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27 Report

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Reviews may be edited to correct grammar/spelling or remove inappropriate content. Reviews appearing to come from parties with a vested interest are not published. This information is not intended to endorse any medication and should not replace the expertise and judgment of healthcare professionals.